diff --git a/ci/tasks/check-dns.sh b/ci/tasks/check-dns.sh
index 18b3a60..e0c49d8 100755
--- a/ci/tasks/check-dns.sh
+++ b/ci/tasks/check-dns.sh
@@ -1,3 +1,3 @@
-#!/bin/bash -x -e
+#!/bin/bash -xe
 
 rspec --format documentation --color spec